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Data as of Nov 9, 2026

221.212.50.0/24

1 residential-proxy exit · 30 days

CHINA UNICOM China169 Backbone · space held by China Unicom Heilongjiang Province Network

Announcement
221.212.0.0/16
RPKI valid
Announced by
AS4837
Type
Residential
97% of it

Residential-proxy exits

Proxy exits
1
0.39% of its addresses · 30 days
Providers
20
selling exits here
Oct 10, 2026 – Nov 8, 2026

Exits seen per day

505 observations

Proxy providers listing exits

  • BirdProxies
  • ByteProxies
  • Byteful
  • CliProxy
  • EnigmaProxy
  • FlashProxy
  • FlexyProxies
  • GonzoProxy
  • IPPeak
  • Infatica
  • MangoProxy
  • NodeProxy
  • NovaProxy
  • Proxiware
  • Proxy-Seller
  • ProxyEmpire
  • Proxyma
  • RainProxy
  • Shifter
  • VantageProxies

Composition

The types across the prefix's announced space, by addresses.

Announced space

Address share

Announced space

Types across the prefix

256 addresses
TypeAddressesShareRanges
Residential24897%2
Business83.1%1

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Announced by

Covering announcement 221.212.0.0/16

Prefix
221.212.0.0/16
Announced by
AS4837 CHINA UNICOM China169 Backbone
Type
Residential
Proxy exits
282
Always-on exits
3
RPKI
RPKI valid
Netname
UNICOM-HL
Registrant
China Unicom Heilongjiang Province Network
RIR
APNIC
Origin network

AS4837

CN
Name
CHINA UNICOM China169 Backbone
Type
Internet provider
Registered
Sep 17, 2001
Domain
chinaunicom.cn
Website
www.chinaunicom.cn/
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed